Removal of oil and grease from the surface water of Malihao River, Victorias City, Negros occidental using talaba (Cassostrea spp.) shell.

A high concentration of oil and grease was found on the surface water of the five sampling sites located at Malihao River, which exceeded the standard set by DENR-EMB for class C and class B river. From the five sampling sites, Site 3 located at the Magnanod River and a tributary river to the Maliha...

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